Operation
Operating Manual PDP67 F 8DI ION HP
1002225-EN-05
22
8
Operation
8.1
Messages
The module is ready for operation when the "Ready" LED on the link module is lit continu-
ously.
8.1.1
Display elements for device diagnostics
Legend
LED on
LED flashes
LED off
LED
LED status
Meaning
Device
Green The unit is ready for operation
The unit is not ready for operation
FAULT
Red
Internal error
No error
Traffic
Yellow Connection to control system established
Yellow Error in the connection to the control system. Flashing
stops a max. of 1 min. after the fault has been rectified.
No connection to control system established
Input LEDs
Green 1 signal is present
Green Link module has detected a pulse error.
Once the fault has been rectified, the decentralised input
module will continue to work normally after a waiting period
of just a few seconds.
0 signal is present
Load Sup-
ply
Yellow Voltage is present
Yellow The supply voltage is/was too low.
Once the fault has been rectified, the LED will not stop
flashing until the system has been switched off and then
on again.
Voltage is missing
